Wax film composite waterproof paperboard

Abstract

The utility model discloses a wax film composite waterproof paperboard, which relates to the technical field of paperboards, and comprises a first paperboard base layer, a second paperboard base layer and a corrugated paper layer, the corrugated paper layer is bonded between the first paperboard base layer and the second paperboard base layer, and wax film waterproof layers are attached to one sides, far away from each other, of the first paperboard base layer and the second paperboard base layer. The two sides of the corrugated paper layer are each provided with two symmetrically-arranged positioning connecting assemblies, and the positioning connecting assemblies are fixedly connected with the side portion of the wax film waterproof layer and used for limiting the position of the wax film waterproof layer. The outer wax film waterproof layer of the composite paperboard can be arranged in a detachable form, so that the waterproof layer can be quickly replaced after the outer part of the paperboard is abraded for a long time, the whole paperboard is prevented from being replaced as much as possible, and the loss of the paperboard is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to paperboard technical field, concretely relates to a wax film composite waterproof paperboard. BACKGROUND

[0002] Composite paperboard is a kind of paperboard by multilayer material composite, generally has good physical performance and processing performance, and the existing composite paperboard is covered with a layer of wax film with hydrophobic property on its outer wall in the production process to make the paperboard have good waterproof effect.

[0003] For example, the patent document with the announcement number CN216708576U discloses an environment-friendly waterproof composite paperboard, which is provided with a waterproof kraft paper layer and a wear-resistant paper layer composed of kraft paper and mesh cloth layer adhered to each other, and the two are tightly attached to make the paperboard have good waterproof and wear-resistant properties. The kraft paper itself has good protective wear-resistant effect, and the mesh cloth layer has good tear resistance, so that the paperboard has excellent protective properties. The wear-resistant layer is provided with a waterproof paper layer inside, which can provide excellent waterproof effect from the inside, and avoid the wear of the waterproof layer to make it not have such characteristics.

[0004] However, the waterproof layer provided on the outer part of the paperboard is generally directly integrated with the paperboard, which causes the wax film and other waterproof layers to be worn and reduced in waterproof effect after long-time friction with the outside. At this time, the entire paperboard needs to be replaced, which increases the consumption of the paperboard and reduces the use effect of the paperboard. UTILITY MODEL CONTENT

[0005] In view of the above problems existing in the existing wax film composite waterproof paperboard, the utility model is proposed.

[0006] Therefore, the utility model aims to provide a wax film composite waterproof paperboard, which solves the problem that the outer wall waterproof layer of the existing composite paperboard cannot be quickly replaced after being worn.

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0008] A wax film composite waterproof paperboard, comprising a first paperboard base layer, a second paperboard base layer and a corrugated paper layer, the corrugated paper layer is bonded between the first paperboard base layer and the second paperboard base layer, and the first paperboard base layer and the second paperboard base layer are both attached with a wax film waterproof layer on the side away from each other.

[0009] Both sides of the corrugated paper layer are provided with two symmetrically arranged positioning connection assemblies, the positioning connection assemblies are fixedly connected with the side of the wax film waterproof layer, and are used for limiting the position of the wax film waterproof layer.

[0010] Preferably, the positioning connecting assembly comprises a positioning rod and a positioning tube, the positioning rod is slidingly arranged in the positioning tube, and an end of the positioning rod away from the positioning tube is inserted into the bending part of the corrugated paper layer, an end of the positioning tube away from the positioning rod is fixedly provided with a connecting plate, and two ends of the connecting plate are fixedly connected with the two wax film waterproof layers respectively.

[0011] Preferably, a limiting spring is arranged in the positioning tube, and two ends of the limiting spring are fixedly connected with the end of the positioning rod and the inner wall of the positioning tube respectively.

[0012] Preferably, a glue bonding layer is arranged between the two wax film waterproof layers and the first paperboard base layer and the second paperboard base layer.

[0013] Further, a detachable block is fixedly arranged on the side away from each of the two wax film waterproof layers.

[0014] Preferably, a pulling block is fixedly arranged on the rod wall of the positioning rod, the pulling block penetrates through the corrugated paper layer and extends to the outside.

[0015] In the above technical solution, the technical effects and advantages of the utility model are provided:

[0016] The utility model discloses a first paperboard base layer, a second paperboard base layer, a corrugated paper layer, a wax film waterproof layer, a positioning rod and a positioning tube and a connecting plate can be detachable, which is convenient for replacing the waterproof layer quickly after long-time wear and tear on the paperboard, avoids replacing the paperboard as a whole and reduces the loss of the paperboard.

[0017] The utility model discloses a positioning rod, a positioning tube, a limiting spring, a connecting plate, a wax film waterproof layer and a corrugated paper layer can determine the setting position of the wax film waterproof layer and are convenient for replacing the wax film waterproof layer quickly. DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a side structure schematic view of the utility model;

[0021] Figure 3 It is a top view structure schematic view of the utility model;

[0022] Figure 4 The utility model discloses Figure 3 The A part enlarged schematic view of

[0023] Figure 5 The internal structure schematic view of the positioning pipe and the positioning rod of the utility model.

[0024] Mark explanation:

[0025] 1, first paperboard base layer, 2, second paperboard base layer, 3, corrugated paper layer, 4, wax film waterproof layer, 5, positioning rod, 6, positioning pipe, 7, connecting plate, 8, limit spring, 9, glue bonding layer, 10, detachable block, 11, pull block. Specific implementation

[0026] In order to make the technical personnel of the prior art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below in conjunction with the drawings.

[0027] The utility model discloses a wax film composite waterproof paperboard.

[0028] The utility model provides a kind of wax film composite waterproof paperboard as Figures 1-5 As shown in a kind of wax film composite waterproof paperboard including first paperboard base layer 1, second paperboard base layer 2 and corrugated paper layer 3, corrugated paper layer 3 is bonded in first paperboard base layer 1 and second paperboard base layer 2, first paperboard base layer 1 and second paperboard base layer 2 are attached with wax film waterproof layer 4 on the side far from each other, two wax film waterproof layers 4 are equipped with glue bonding layer 9 between first paperboard base layer 1 and second paperboard base layer 2, two wax film waterproof layers 4 are fixed with detachable block 10 on the side far from each other.

[0029] In paperboard preparation, by the stacking of first paperboard base layer 1, second paperboard base layer 2 and corrugated paper layer 3, paperboard can form stable composite paperboard structure, while wax film waterproof layer 4 is provided on the outside of first paperboard base layer 1 and second paperboard base layer 2, paperboard can have good waterproof effect by the hydrophobicity of wax film, in addition, when wax film is set, by the setting of glue bonding layer 9 and the protruding setting of detachable block 10, wax film waterproof layer 4 can be separated from the outer wall of paperboard, so that the worn wax film can be quickly torn down and replaced after the outer wall of paperboard rubs with external object for a long time, reduce the loss of paperboard while improve the use strength of paperboard.

[0030] In order to be able to quickly determine the position of wax film waterproof layer 4, as Figures 2-5As shown, the corrugated paper layer 3 is provided with two symmetrical positioning and connecting assemblies on both sides, the positioning and connecting assemblies are fixedly connected with the side of the wax film waterproof layer 4 and used for limiting the position of the wax film waterproof layer 4, the positioning and connecting assembly comprises a positioning rod 5 and a positioning tube 6, the positioning rod 5 is slidably arranged in the positioning tube 6, and the end away from the positioning tube 6 is inserted into the bent part of the corrugated paper layer 3, the positioning tube 6 is provided with a limiting spring 8, the two ends of the limiting spring 8 are fixedly connected with the end of the positioning rod 5 and the inner wall of the positioning tube 6 respectively, the end of the positioning tube 6 away from the positioning rod 5 is fixedly provided with a connecting plate 7, the two ends of the connecting plate 7 are fixedly connected with the two wax film waterproof layers 4 respectively, the rod wall of the positioning rod 5 is fixedly provided with a pulling block 11, the pulling block 11 penetrates through the corrugated paper layer 3 and extends to the outside.

[0031] After the composite paperboard is formed, the side of the corrugated paper layer 3 is arranged in a snake shape, so that there is a gap between the corrugated paper layer 3 and the first paperboard base layer 1 and the second paperboard base layer 2, at this time, the positioning rod 5 can be inserted into the positioning tube 6 by pulling the pulling block 11, and after the wax film waterproof layer 4 covers the outer wall of the paperboard, the pulling block 11 is loosened, the positioning rod 5 is inserted into the gap between the corrugated paper layer 3 and the paperboard base layer under the elastic recovery of the limiting spring 8, so as to complete the position fixing of the wax film waterproof layer 4, and the position deviation of the wax film in the process of connecting with the paperboard is avoided as much as possible, and the stability of the use property of the paperboard is ensured.

[0032] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, the described embodiments can be modified in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A wax-film composite waterproof paperboard, comprising a first paperboard base layer (1), a second paperboard base layer (2), and a corrugated paper layer (3), characterized in that, The corrugated paper layer (3) is bonded to the first cardboard base layer (1) and the second cardboard base layer (2), and a wax film waterproof layer (4) is attached to the side of the first cardboard base layer (1) and the second cardboard base layer (2) that is far apart from each other. Two symmetrically arranged positioning connection components are provided on both sides of the corrugated paper layer (3). The positioning connection components are fixedly connected to the side of the wax film waterproof layer (4) and are used to limit the position of the wax film waterproof layer (4).

2. The wax film composite waterproof paperboard according to claim 1, characterized in that, The positioning connection assembly includes a positioning rod (5) and a positioning tube (6). The positioning rod (5) is slidably disposed inside the positioning tube (6), and one end away from the positioning tube (6) is inserted into the bent part of the corrugated paper layer (3). A connecting plate (7) is fixedly provided at one end of the positioning tube (6) away from the positioning rod (5). The two ends of the connecting plate (7) are respectively fixedly connected to the two wax film waterproof layers (4).

3. The wax film composite waterproof paperboard according to claim 2, characterized in that, The positioning tube (6) is provided with a limiting spring (8), and the two ends of the limiting spring (8) are fixedly connected to the end of the positioning rod (5) and the inner wall of the positioning tube (6), respectively.

4. The wax film composite waterproof paperboard according to claim 1, characterized in that, An adhesive layer (9) is provided between the two wax film waterproof layers (4) and the first cardboard base layer (1) and the second cardboard base layer (2).

5. The wax film composite waterproof paperboard according to claim 1, characterized in that, Each of the two wax film waterproof layers (4) is fixed with a detachable block (10) on the side away from each other.

6. The wax film composite waterproof paperboard according to claim 2, characterized in that, The positioning rod (5) has a pull block (11) fixedly installed on its rod wall. The pull block (11) passes through the corrugated paper layer (3) and extends to the outside.

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